var counter = function (arr) {
    return "there are " + arr.length + " el";
}
var adder = function (a, b) {
    return `the sum of the 2 number is ${a+b}`;
}
var PI = 3.14;
// module.exports.counter = counter;
// module.exports.adder = adder;
// module.exports.PI = PI;

module.exports = {
    counter,
    adder,
    PI
}